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Many changes

Submitted by Kevin Jardine on 10 November, 2006 - 20:51

After a few months of inactivity, I've now made a large number of changes to this site.

Here's the list:

I've added Gum nebula and Westerhout radio source catalogs.

There is an image for every nebula in the Sharpless, RCW and Gum catalogs.

There is an article describing the origins of the Sharpless, Gum and RCW catalogs.

I've redone the map to update it to include version 2.7 of the Diaz et. al. cluster database (27 October 2006) and corrected the distances of several of the nebulae (more corrections and additions still to come).

I've improved the page that shows the details for each object so that this page shows the full size object image as well if available - not just a thumbnail as before.

My site stats show that Galaxy Map is getting about 1300 visitors a month. Not a huge audience, but I'm happy with the way it is growing.

SuperCOSMOS

Submitted by Kevin Jardine on 25 May, 2006 - 09:26

I've discovered the SuperCOSMOS sky survey. For southern hemisphere objects, this provides a higher resolution than DSS-2, plus blue and hydrogen-alpha plates. As a result, I can create much better nebula images and I'm in the process of redoing many of the images on this site to take advantage of this new data. There are several hundred images to do, so this will take a while.

My goal is to create a full set of descriptions and colour images for all the nebulae in the Sharpless and RCW catalogs. So far as I know, this is the first time this has been done and I hope that it will be a useful reference.

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